package finbudget.shared.process.events;

import java.io.Serializable;

import com.google.gwt.user.client.rpc.IsSerializable;

public class StringPair implements Serializable, IsSerializable {
	private static final long serialVersionUID = 7518853194811284614L;

	private String left;
	private String right;

	/** Serialization requirements */
	protected StringPair() {
	}

	public StringPair(String left, String right) {
		this.left = left;
		this.right = right;
	}

	public String getSource() {
		return left;
	}

	public String getDestination() {
		return right;
	}

	public String getLeft() {
		return left;
	}

	public String getRight() {
		return right;
	}

	@Override
	public boolean equals(Object obj) {
		if (this == obj) {
			return true;
		}
		if (obj == null) {
			return false;
		}
		if (getClass() != obj.getClass()) {
			return false;
		}
		StringPair other = (StringPair) obj;
		if (left == null) {
			if (other.left != null) {
				return false;
			}
		} else if (!left.equals(other.left)) {
			return false;
		}
		if (right == null) {
			if (other.right != null) {
				return false;
			}
		} else if (!right.equals(other.right)) {
			return false;
		}
		return true;
	}

	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + ((left == null) ? 0 : left.hashCode());
		result = prime * result + ((right == null) ? 0 : right.hashCode());
		return result;
	}

}
